(a)[1]
Write down an expression, in terms of $h$, for the perimeter of the hexagon.
(b(i))[1]
Write down an expression, in terms of $x$, for the square's perimeter.
(b(ii))[1]
Write down an expression, in terms of $x$, for the square's area.
(c)[5]
Work out the value of $x$ in this case.
(d)[2]
Simplify the expression $5a + 4b - 2a - b + 3a - 2b$.
(e(i))[1]
Multiply out the brackets in $5(x-4)$.
(e(ii))[2]
Multiply out the brackets in $x(x^2+3)$.
(f)[2]
Factorise $8x^2 - 4x$ completely.